JP5640036B2 - Electronic board connection structure - Google Patents

Electronic board connection structure Download PDF

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Publication number
JP5640036B2
JP5640036B2 JP2012076354A JP2012076354A JP5640036B2 JP 5640036 B2 JP5640036 B2 JP 5640036B2 JP 2012076354 A JP2012076354 A JP 2012076354A JP 2012076354 A JP2012076354 A JP 2012076354A JP 5640036 B2 JP5640036 B2 JP 5640036B2
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Prior art keywords
electronic
pin
board
substrate
guide
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JP2013206802A (en
Inventor
勇冴 永井
勇冴 永井
松前　太郎
太郎 松前
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KYB Corp
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KYB Corp
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Priority to JP2012076354A priority Critical patent/JP5640036B2/en
Priority to CN201380013589.2A priority patent/CN104185927B/en
Priority to DE112013001715.6T priority patent/DE112013001715T5/en
Priority to PCT/JP2013/056332 priority patent/WO2013146170A1/en
Priority to US14/388,227 priority patent/US9350092B2/en
Publication of JP2013206802A publication Critical patent/JP2013206802A/en
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H01R12/523—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures by an interconnection through aligned holes in the boards or multilayer board
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/55—Fixed connections for rigid printed circuits or like structures characterised by the terminals
    • H01R12/58—Fixed connections for rigid printed circuits or like structures characterised by the terminals terminals for insertion into holes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/70—Coupling devices
    • H01R12/71—Coupling devices for rigid printing circuits or like structures
    • H01R12/72—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures
    • H01R12/73—Coupling devices for rigid printing circuits or like structures coupling with the edge of the rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K1/00—Printed circuits
    • H05K1/02—Details
    • H05K1/14—Structural association of two or more printed circuits
    • H05K1/144—Stacked arrangements of planar printed circuit boards
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/36—Assembling printed circuits with other printed circuits
    • H05K3/368—Assembling printed circuits with other printed circuits parallel to each other
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R12/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, specially adapted for printed circuits, e.g. printed circuit boards [PCB], flat or ribbon cables, or like generally planar structures, e.g. terminal strips, terminal blocks; Coupling devices specially adapted for printed circuits, flat or ribbon cables, or like generally planar structures; Terminals specially adapted for contact with, or insertion into, printed circuits, flat or ribbon cables, or like generally planar structures
    • H01R12/50—Fixed connections
    • H01R12/51—Fixed connections for rigid printed circuits or like structures
    • H01R12/52—Fixed connections for rigid printed circuits or like structures connecting to other rigid printed circuits or like structures
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10227—Other objects, e.g. metallic pieces
    • H05K2201/10295—Metallic connector elements partly mounted in a hole of the PCB
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2201/00—Indexing scheme relating to printed circuits covered by H05K1/00
    • H05K2201/10—Details of components or other objects attached to or integrated in a printed circuit board
    • H05K2201/10613—Details of electrical connections of non-printed components, e.g. special leads
    • H05K2201/10742—Details of leads
    • H05K2201/1075—Shape details
    • H05K2201/10863—Adaptations of leads or holes for facilitating insertion
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K2203/00—Indexing scheme relating to apparatus or processes for manufacturing printed circuits covered by H05K3/00
    • H05K2203/16—Inspection; Monitoring; Aligning
    • H05K2203/167—Using mechanical means for positioning, alignment or registration, e.g. using rod-in-hole alignment

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  • Engineering & Computer Science (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Manufacturing & Machinery (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)
  • Combinations Of Printed Boards (AREA)
  • Multi-Conductor Connections (AREA)

Description

本発明は、一対の電子基板を電気的に接続する接続構造に関するものである。   The present invention relates to a connection structure for electrically connecting a pair of electronic substrates.

従来から、電子回路が設けられる一対の電子基板の間で電力や信号を授受するために、金属製のピンを実装して電気的に接続する構造が用いられている。特許文献１には、一方の基板の表面に基端がはんだ付けされ、他方の基板に先端が接続される表面実装型のバスバーを用いる構成が開示されている。   2. Description of the Related Art Conventionally, a structure in which metal pins are mounted and electrically connected is used in order to exchange power and signals between a pair of electronic substrates on which electronic circuits are provided. Patent Document 1 discloses a configuration using a surface mount type bus bar in which a base end is soldered to the surface of one substrate and a tip is connected to the other substrate.

特開２０１０−３５３０４号公報JP 2010-35304 A

しかしながら、特許文献１のバスバーでは、一方の基板に立設されたバスバーに他方の基板を接続しようとすると、バスバーの取り付け位置や角度の誤差によって、バスバーの先端が他方の基板の取り付け位置に合致しないおそれがある。そのため、バスバーの角度を手作業で補正しながら位置を合わせたり、位置決め用の治具を用いたりする必要があり、作業性が良好ではなかった。   However, in the bus bar of Patent Document 1, when the other board is connected to the bus bar erected on one board, the front end of the bus bar matches the installation position of the other board due to an error in the mounting position or angle of the bus bar. There is a risk of not. Therefore, it is necessary to adjust the position of the bus bar while manually correcting the angle of the bus bar, or to use a positioning jig, and the workability is not good.

本発明は、上記の問題点に鑑みてなされたものであり、一対の電子基板を電気的に接続するときの作業性を向上させることを目的とする。   The present invention has been made in view of the above-described problems, and an object thereof is to improve workability when a pair of electronic substrates is electrically connected.

本発明は、対向して配置される一対の電子基板を電気的に接続する電子基板の接続構造であって、一方の電子基板に立設され、前記一方の電子基板と他方の電子基板とを電気的に接続する複数のピンと、各々の前記ピンが挿入される複数のガイド孔を有し、前記一方の電子基板に取り付けられた状態で、前記他方の電子基板に接続可能なように前記ピンの位置を規定するピンガイドと、前記一方の電子基板に立設された前記複数のピンをまとめて前記一方の電子基板に保持するピン保持部材と、を備え、前記ピン保持部材は、前記他方の電子基板が取り付けられた状態で当該他方の電子基板が着座する着座部を有し、前記ピンガイドは、前記着座部との間に前記他方の電子基板を保持する第二の爪部を有することを特徴とする。 The present invention is an electronic substrate connection structure for electrically connecting a pair of electronic substrates arranged opposite to each other, and is erected on one electronic substrate, and the one electronic substrate and the other electronic substrate are connected to each other. A plurality of pins to be electrically connected and a plurality of guide holes into which each of the pins is inserted, the pins being connected to the other electronic board in a state of being attached to the one electronic board. comprising a pin guide defining a position, the pin holding member for holding the electronic board of the one collectively the plurality of pins, wherein erected on one of the electronic substrate, wherein the pin retaining member, the other The electronic circuit board has a seating portion on which the other electronic substrate is seated, and the pin guide has a second claw portion for holding the other electronic board between the seating portion and the seating portion. vinegar Rukoto and features.

本発明では、一方の電子基板に立設されるピンは、ピンガイドのガイド孔に挿入されることで他方の電子基板に接続可能なように位置が規定される。よって、他方の電子基板を取り付けるときに、ピンの位置を合わせるために角度を補正したり位置決め用の治具を用いたりする必要はない。したがって、一対の電子基板を電気的に接続するときの作業性が向上する。   In the present invention, the position of the pin erected on one electronic board is defined so that it can be connected to the other electronic board by being inserted into the guide hole of the pin guide. Therefore, when the other electronic substrate is attached, it is not necessary to correct the angle or use a positioning jig to align the pins. Therefore, workability when electrically connecting a pair of electronic substrates is improved.

本発明の実施の形態に係る電子基板の接続構造が適用される電子制御ユニットの分解斜視図である。It is a disassembled perspective view of the electronic control unit to which the connection structure of the electronic board which concerns on embodiment of this invention is applied. （ａ）は、ピンガイドの表面の斜視図であり、（ｂ）は、図２（ａ）におけるＰ部の拡大図である。(A) is a perspective view of the surface of a pin guide, (b) is an enlarged view of the P section in Fig.2 (a). （ａ）は、ピンガイドの裏面の斜視図であり、（ｂ）は、図３（ａ）におけるＱ部の拡大図である。(A) is a perspective view of the back surface of a pin guide, (b) is an enlarged view of the Q section in FIG. 3 (a). ピンガイドのガイド孔について説明する断面図である。It is sectional drawing explaining the guide hole of a pin guide. 一方の電子基板にピン保持部材とピンガイドとが組み付けられた状態を示す斜視図である。It is a perspective view which shows the state by which the pin holding member and the pin guide were assembled | attached to one electronic substrate. 本発明の実施の形態に係る電子基板の接続構造が適用される電子制御ユニットの斜視図である。1 is a perspective view of an electronic control unit to which an electronic board connection structure according to an embodiment of the present invention is applied.

以下、図面を参照して、本発明の実施の形態について説明する。   Embodiments of the present invention will be described below with reference to the drawings.

まず、図１を参照して、本発明の実施の形態に係る電子基板の接続構造（以下、単に「接続構造」と称する。）１００が適用される電子制御ユニット１について説明する。   First, an electronic control unit 1 to which an electronic board connection structure (hereinafter simply referred to as “connection structure”) 100 according to an embodiment of the present invention is applied will be described with reference to FIG.

電子制御ユニット１は、制御対象物（図示省略）に供給する電源を制御する一方の電子基板としての電源用基板２と、制御信号を送受信して制御対象物を制御する他方の電子基板としての制御用基板３と、電源用基板２と制御用基板３とを収容する筐体（図示省略）とを備える。筐体は、電源用基板２を収容する容器部と、制御用基板３を覆って容器部を閉塞する蓋部とからなる。   The electronic control unit 1 is a power supply board 2 as one electronic board that controls power supplied to a control object (not shown), and the other electronic board that controls a control object by transmitting and receiving a control signal. A control board 3, a power supply board 2, and a housing (not shown) for housing the control board 3 are provided. The housing is composed of a container portion that houses the power supply substrate 2 and a lid portion that covers the control substrate 3 and closes the container portion.

電子制御ユニット１は、例えば、制御対象物として車両のエンジンを制御するＥＣＵ（Ｅｎｇｉｎｅ Ｃｏｎｔｒｏｌ Ｕｎｉｔ：エンジン制御装置）や、制御対象物として電動パワーステアリング装置を制御するＥＣＵ（Ｅｌｅｃｔｒｏｎｉｃ Ｃｏｎｔｒｏｌ Ｕｎｉｔ：電子制御装置）などである。   The electronic control unit 1 is, for example, an ECU (Engine Control Unit) that controls a vehicle engine as a control object, or an ECU (Electronic Control Unit) that controls an electric power steering device as a control object. ) Etc.

電源用基板２は、アルミニウムなど放熱性の高い金属によって形成される平板状のプリント基板である。電源用基板２は、略矩形に形成され、その表面に電子回路が形成される。電源用基板２の表面には、ノイズを除去して電圧を一定に調整する円筒状のコンデンサ２１と、その他の電子部品（図示省略）とが実装される。また、電源用基板２の表面には、電源用基板２と制御用基板３とを電気的に接続する複数のピン２２が実装される。このピン２２については、接続構造１００の説明と併せて後で詳細に説明する。   The power supply substrate 2 is a flat printed board formed of a metal with high heat dissipation such as aluminum. The power supply substrate 2 is formed in a substantially rectangular shape, and an electronic circuit is formed on the surface thereof. A cylindrical capacitor 21 that removes noise and adjusts the voltage to a constant level and other electronic components (not shown) are mounted on the surface of the power supply substrate 2. A plurality of pins 22 that electrically connect the power supply substrate 2 and the control substrate 3 are mounted on the surface of the power supply substrate 2. The pin 22 will be described in detail later together with the description of the connection structure 100.

制御用基板３は、ガラスエポキシ樹脂などの樹脂によって形成される平板状のプリント基板である。制御用基板３は、略矩形に形成され、その裏面に電子回路が形成される。制御用基板３は、その裏面の平面部が電源用基板２の表面の平面部と対向するように配置される。制御用基板３には、各々のピン２２が接続される複数の端子部としてのスルーホール３１が形成される。   The control board 3 is a flat printed board formed of a resin such as glass epoxy resin. The control substrate 3 is formed in a substantially rectangular shape, and an electronic circuit is formed on the back surface thereof. The control board 3 is arranged so that the flat part on the back surface thereof faces the flat part on the surface of the power supply board 2. The control board 3 is formed with through holes 31 as a plurality of terminal portions to which the respective pins 22 are connected.

スルーホール３１は、ピン２２の先端が位置する設計上の位置に対応して形成される。スルーホール３１は、ピン２２の外形と略同一の形状に形成される。スルーホール３１には、ピン２２の先端が挿入され、フローはんだ付けによって接合される。   The through hole 31 is formed corresponding to a design position where the tip of the pin 22 is located. The through hole 31 is formed in a shape substantially the same as the outer shape of the pin 22. The tip of the pin 22 is inserted into the through hole 31 and joined by flow soldering.

ここで、電源用基板２に立設されたピン２２を制御用基板３のスルーホール３１に挿入しようとすると、電源用基板２に対するピン２２の取り付け位置や角度の誤差によって、ピン２２の先端がスルーホール３１の位置に合致しないおそれがある。そこで、電子制御ユニット１では、接続構造１００を用いて、ピン２２の先端をスルーホール３１に挿入するときの作業性を向上させている。   Here, when the pin 22 erected on the power supply board 2 is to be inserted into the through hole 31 of the control board 3, the tip of the pin 22 is moved due to an error in the mounting position or angle of the pin 22 with respect to the power supply board 2. There is a possibility that the position of the through hole 31 does not match. Therefore, the electronic control unit 1 uses the connection structure 100 to improve workability when the tip of the pin 22 is inserted into the through hole 31.

次に、図１から図４を参照して、接続構造１００について説明する。   Next, the connection structure 100 will be described with reference to FIGS.

接続構造１００は、電源用基板２と制御用基板３とを電気的に接続するものである。つまり、接続構造１００は、対向して配置される一対の電子基板を電気的に接続するものである。   The connection structure 100 electrically connects the power supply substrate 2 and the control substrate 3. That is, the connection structure 100 is for electrically connecting a pair of electronic substrates arranged opposite to each other.

接続構造１００は、電源用基板２に立設されて電源用基板２と制御用基板３とを電気的に接続する複数のピン２２と、複数のピン２２をまとめて電源用基板２に保持するピン保持部材２５と、電源用基板２に取り付けられた状態で制御用基板３に接続可能なようにピン２２の位置を規定するピンガイド４０とを備える。   The connection structure 100 is erected on the power supply board 2 to electrically connect the power supply board 2 and the control board 3 and holds the plurality of pins 22 together on the power supply board 2. A pin holding member 25 and a pin guide 40 that defines the position of the pin 22 so as to be connected to the control board 3 while being attached to the power supply board 2 are provided.

ピン２２は、その基端が電源用基板２に表面実装され、その先端が制御用基板３に挿入される金属製の棒状部材である。ピン２２の基端は、電源用基板２の表面に垂直にはんだ付けされる。ピン２２の先端は、制御用基板３のスルーホール３１に挿入されてはんだ付けされる。複数のピン２２は、ピン保持部材２５によって一体にモールドされる。   The pin 22 is a metal rod-shaped member whose base end is surface-mounted on the power supply substrate 2 and whose distal end is inserted into the control substrate 3. The base ends of the pins 22 are soldered perpendicularly to the surface of the power supply substrate 2. The tips of the pins 22 are inserted into the through holes 31 of the control board 3 and soldered. The plurality of pins 22 are integrally molded by the pin holding member 25.

ピン保持部材２５は、複数のピン２２を保持する樹脂部材である。ピン保持部材２５は、制御用基板３と略同一の矩形に形成される。ピン保持部材２５は、ピン２２を保持するのに充分な厚さに形成される。ピン保持部材２５は、ピン２２がはんだ付けされることによって電源用基板２に固定される。ピン保持部材２５は、筐体の容器部の内面にボルト締結されて固定される。なお、ピン保持部材２５が全てのピン２２を保持するのではなく、ピン保持部材２５と他のサブ保持部材とによってピン２２を保持するようにしてもよい。   The pin holding member 25 is a resin member that holds the plurality of pins 22. The pin holding member 25 is formed in a substantially same rectangle as the control board 3. The pin holding member 25 is formed with a thickness sufficient to hold the pin 22. The pin holding member 25 is fixed to the power supply substrate 2 by soldering the pins 22. The pin holding member 25 is bolted and fixed to the inner surface of the container portion of the housing. The pin holding member 25 may not hold all the pins 22 but may hold the pins 22 by the pin holding member 25 and another sub holding member.

ピン保持部材２５は、制御用基板３が取り付けられた状態で当該制御用基板３が着座する着座部２６と、電源用基板２と制御用基板３とを外部の電源装置（図示省略）や制御対象物に接続するためのコネクタ２７とを有する。   The pin holding member 25 connects the seating portion 26 on which the control board 3 is seated with the control board 3 attached, the power supply board 2 and the control board 3 to an external power supply device (not shown) or a control. And a connector 27 for connecting to an object.

着座部２６は、ピン保持部材２５における制御用基板３に臨む面の複数箇所に立設される。ピン保持部材２５では、六箇所に着座部２６が形成される（図５参照）。着座部２６には、電子制御ユニット１が組み立てられた状態で、制御用基板３が着座する。これにより、電源用基板２と制御用基板３との間隔が所定の間隔に規定される。   The seating portions 26 are erected at a plurality of locations on the surface of the pin holding member 25 facing the control board 3. In the pin holding member 25, seats 26 are formed at six locations (see FIG. 5). The control board 3 is seated on the seating portion 26 in a state where the electronic control unit 1 is assembled. As a result, the interval between the power supply substrate 2 and the control substrate 3 is defined as a predetermined interval.

コネクタ２７は、ピン保持部材２５の側面に突出して設けられる複数のピンである。コネクタ２７は、電源装置から供給される電力を受け、制御対象物との間で制御信号を送受信するための端子である。コネクタ２７は、筐体の容器部の側面から外部に突出するように形成される。   The connector 27 is a plurality of pins provided so as to protrude from the side surface of the pin holding member 25. The connector 27 is a terminal for receiving power supplied from the power supply device and transmitting / receiving a control signal to / from the control target. The connector 27 is formed so as to protrude from the side surface of the container portion of the housing.

ピンガイド４０は、表面４０ａが制御用基板３に臨み、裏面４０ｂが電源用基板２に臨む略平板状の樹脂部材である。ピンガイド４０は、全てのピン２２が設けられる位置にわたって略矩形に形成される。ピンガイド４０は、ピン保持部材２５を介して電源用基板２に取り付けられた状態で、電源用基板２に対するピン２２の傾斜角度を補正する。具体的には、ピンガイド４０は、ピン２２の先端部２２ａ（図４参照）を、制御用基板３におけるスルーホール３１が形成される位置に合致させる。   The pin guide 40 is a substantially flat resin member having a front surface 40 a facing the control substrate 3 and a back surface 40 b facing the power supply substrate 2. The pin guide 40 is formed in a substantially rectangular shape over the position where all the pins 22 are provided. The pin guide 40 corrects the inclination angle of the pin 22 with respect to the power supply substrate 2 while being attached to the power supply substrate 2 via the pin holding member 25. Specifically, the pin guide 40 matches the tip 22a (see FIG. 4) of the pin 22 with the position where the through hole 31 in the control board 3 is formed.

ピンガイド４０は、制御用基板３に向けて立設される複数の立設部４０ｃと、立設部４０ｃの内部に形成されて各々のピン２２が挿入される複数のガイド孔４１と、ピン２２が挿入された状態でピン保持部材２５に係合して相対位置を規定する第一の爪部としての爪部４５と、着座部２６との間に制御用基板３を保持する第二の爪部としての爪部４６と、電源用基板２に実装されたコンデンサ２１を保持するコンデンサ保持部４８とを有する。   The pin guide 40 includes a plurality of standing portions 40c that are erected toward the control board 3, a plurality of guide holes 41 that are formed inside the standing portion 40c and into which each pin 22 is inserted, and a pin The second substrate 22 holds the control board 3 between the seat portion 26 and the claw portion 45 as the first claw portion that engages with the pin holding member 25 and defines the relative position in a state in which 22 is inserted. A claw portion 46 as a claw portion and a capacitor holding portion 48 for holding the capacitor 21 mounted on the power supply substrate 2 are provided.

立設部４０ｃは、制御用基板３に近付くにつれて外径が小さくなるように形成される。立設部４０ｃの先端部４０ｄには、制御用基板３が取り付けられた状態で制御用基板３が着座する。これにより、制御用基板３を複数の箇所で支持することが可能となる。なお、この構成に代えて、制御用基板３が取り付けられた状態で立設部４０ｃの先端部４０ｄが制御用基板３に当接しないように形成し、着座部２６のみで制御用基板３を支持するようにしてもよい。   The standing portion 40 c is formed so that the outer diameter becomes smaller as it approaches the control substrate 3. The control board 3 is seated on the tip 40d of the standing part 40c with the control board 3 attached. As a result, the control substrate 3 can be supported at a plurality of locations. Instead of this configuration, the tip 40d of the standing portion 40c is formed so as not to contact the control board 3 with the control board 3 attached, and the control board 3 is formed only by the seating part 26. You may make it support.

ガイド孔４１は、図４に示すように、ピンガイド４０の表面４０ａから制御用基板３に向けて立設される立設部４０ｃの内周に形成される。ガイド孔４１は、その内周に形成され、電源用基板２側から制御用基板３側に近付くにつれて狭くなり、制御用基板３側がピン２２の外形と略同一となるテーパ部４２と、ピン２２が挿入される端部の内周から外周に向けて曲面状に形成される曲面部４３とを有する。ガイド孔４１は、立設部４０ｃの先端部４０ｄにおいて、制御用基板３のスルーホール３１の位置に合致するように形成される。   As shown in FIG. 4, the guide hole 41 is formed on the inner periphery of a standing portion 40 c that is erected from the surface 40 a of the pin guide 40 toward the control substrate 3. The guide hole 41 is formed on the inner periphery of the guide hole 41, and becomes narrower as it approaches the control substrate 3 side from the power supply substrate 2 side, and the control substrate 3 side is substantially the same as the outer shape of the pin 22. And a curved surface portion 43 formed in a curved shape from the inner periphery to the outer periphery of the end portion into which the is inserted. The guide hole 41 is formed so as to match the position of the through hole 31 of the control board 3 at the distal end portion 40d of the standing portion 40c.

テーパ部４２は、ピンガイド４０の裏面４０ｂ側からピン２２が挿入されると、ピン２２と当接しながらピン２２の先端部２２ａがスルーホール３１の位置に合致するように傾斜角度を補正する。テーパ部４２は、裏面４０ｂ側が最も大きく開口している。よって、ピン２２の取り付け位置や角度に誤差がある場合に、ガイド孔４１に容易に挿入できるようになっている。   When the pin 22 is inserted from the back surface 40 b side of the pin guide 40, the taper portion 42 corrects the inclination angle so that the tip 22 a of the pin 22 matches the position of the through hole 31 while abutting the pin 22. The taper portion 42 has the largest opening on the back surface 40b side. Therefore, when there is an error in the mounting position or angle of the pin 22, it can be easily inserted into the guide hole 41.

曲面部４３は、ガイド孔４１における裏面４０ｂ側の入口に形成される。曲面部４３は、ピンガイド４０の裏面４０ｂとテーパ部４２とを滑らかに連結する曲面である。曲面部４３は、ガイド孔４１の入口を外周に大きく拡げる。よって、ピン２２の取り付け位置や角度に誤差がある場合に、テーパ部４２が単独で設けられる場合と比較して、ピン２２をガイド孔４１に更に容易に挿入できるようになる。   The curved surface portion 43 is formed at the entrance of the guide hole 41 on the back surface 40b side. The curved surface portion 43 is a curved surface that smoothly connects the back surface 40 b of the pin guide 40 and the tapered portion 42. The curved surface portion 43 greatly expands the entrance of the guide hole 41 to the outer periphery. Therefore, when there is an error in the mounting position and angle of the pin 22, the pin 22 can be inserted into the guide hole 41 more easily than when the tapered portion 42 is provided alone.

爪部４５は、図１及び図３（ａ）に示すように、ピンガイド４０の裏面４０ｂから電源用基板２に向けて突設される。爪部４５は、少なくとも対向する二箇所に形成され、ピン保持部材２５に係合したときにその一部又は全部を挟み込むように保持する。ピンガイド４０では、五箇所に爪部４５が形成され、ピン保持部材２５の一部を挟み込むように保持する。   As shown in FIG. 1 and FIG. 3A, the claw portion 45 protrudes from the back surface 40 b of the pin guide 40 toward the power supply substrate 2. The claw portions 45 are formed at least at two opposite positions, and hold partly or all of the claws 45 when they are engaged with the pin holding member 25. In the pin guide 40, claw portions 45 are formed at five locations, and a part of the pin holding member 25 is held therebetween.

爪部４５は、ガイド孔４１にピン２２が挿入されてピンガイド４０がピン保持部材２５に対して所定の位置まで近接したときに、ピン保持部材２５に形成される係合部（図示省略）に係合する。これにより、ピンガイド４０がピン保持部材２５に対して固定される。なお、爪部４５がピン保持部材２５に係合する構成に代えて、爪部４５が電源用基板２に係合する構成としてもよい。   The claw portion 45 is an engaging portion (not shown) formed on the pin holding member 25 when the pin 22 is inserted into the guide hole 41 and the pin guide 40 approaches the pin holding member 25 to a predetermined position. Engage with. Thereby, the pin guide 40 is fixed to the pin holding member 25. Instead of the configuration in which the claw portion 45 is engaged with the pin holding member 25, the claw portion 45 may be configured to be engaged with the power supply substrate 2.

一方、爪部４６は、図１及び図２（ａ）に示すように、ピンガイド４０の表面４０ａから制御用基板３に向けて突設される。爪部４６は、少なくとも対向する二箇所に形成され、制御用基板３に係合したときにその一部又は全部を挟み込むように保持する。ピンガイド４０では、三箇所に爪部４６が形成され、制御用基板３の長手方向の全体を挟み込むように保持する。   On the other hand, the claw portion 46 protrudes from the surface 40 a of the pin guide 40 toward the control substrate 3 as shown in FIGS. 1 and 2A. The claw portions 46 are formed at least at two opposing positions, and hold part or all of the claws 46 when they are engaged with the control board 3. In the pin guide 40, claw portions 46 are formed at three locations and held so as to sandwich the entire longitudinal direction of the control board 3.

爪部４６は、ピンガイド４０の上方から制御用基板３が取り付けられる際に、制御用基板３がピン保持部材２５の着座部２６に着座するのと同時に制御用基板３に係合する。これにより、制御用基板３が着座部２６と爪部４６との間に固定される。   When the control substrate 3 is attached from above the pin guide 40, the claw portion 46 engages with the control substrate 3 at the same time when the control substrate 3 is seated on the seat portion 26 of the pin holding member 25. As a result, the control board 3 is fixed between the seating portion 26 and the claw portion 46.

コンデンサ保持部４８は、図２及び図３に示すように、ピンガイド４０の表面４０ａに矩形に開口する開口部４８ａと、開口部４８ａの対向する二辺から開口部４８ａを覆うように立設される一対の立設部４８ｂとを有する。コンデンサ保持部４８は、開口部４８ａから突出したコンデンサ２１の側面の外周に立設部４８ｂが当接して保持する。これにより、後述するフローはんだ付けを行うために電子制御ユニット１を引っくり返した場合に、制御用基板３に実装された大型部品であるコンデンサ２１が脱落することが防止される。   As shown in FIGS. 2 and 3, the capacitor holding portion 48 is erected so as to cover the opening portion 48a from the two opposite sides of the opening portion 48a and the opening portion 48a that opens in a rectangular shape on the surface 40a of the pin guide 40. And a pair of upright portions 48b. The capacitor holding portion 48 is held by the standing portion 48b in contact with the outer periphery of the side surface of the capacitor 21 protruding from the opening 48a. Thereby, when the electronic control unit 1 is turned over to perform flow soldering, which will be described later, the capacitor 21 that is a large component mounted on the control board 3 is prevented from falling off.

次に、図５及び図６を参照して、接続構造１００が適用される電子制御ユニット１の組み立て手順について説明する。   Next, an assembly procedure of the electronic control unit 1 to which the connection structure 100 is applied will be described with reference to FIGS.

まず、電源用基板２とピン保持部材２５とを組み立てる。具体的には、電源用基板２の表面に形成された端子部に、ピン保持部材２５に保持された各々のピン２２の基端をはんだ付けする。この状態で、電源用基板２と一体となったピン保持部材２５を、筐体の容器部に収容してボルト締結しておく。   First, the power supply substrate 2 and the pin holding member 25 are assembled. Specifically, the base end of each pin 22 held by the pin holding member 25 is soldered to the terminal portion formed on the surface of the power supply substrate 2. In this state, the pin holding member 25 integrated with the power supply substrate 2 is accommodated in the container portion of the housing and fastened with bolts.

ピン保持部材２５に保持されたピン２２を電源用基板２に直接はんだ付けする構成に代えて、他のサブ保持部材に保持されたピン２２の基端を電源用基板２にはんだ付けし、当該サブ保持部材のピン２２に、ピン保持部材２５に保持されたピン２２を溶接するようにしてもよい。   Instead of the configuration in which the pins 22 held by the pin holding member 25 are directly soldered to the power supply substrate 2, the base ends of the pins 22 held by other sub holding members are soldered to the power supply substrate 2, The pin 22 held by the pin holding member 25 may be welded to the pin 22 of the sub holding member.

次に、図５に示すように、ピンガイド４０を組み付ける。具体的には、電源用基板２に立設されたピン２２の先端部２２ａが、対応するガイド孔４１に挿入されるようにピンガイド４０をピン保持部材２５の上方から下ろしてゆく。ピン２２がガイド孔４１に挿入され、ピンガイド４０の爪部４５がピン保持部材２５に係合したら、ピンガイド４０の組み付けが完了する。   Next, as shown in FIG. 5, the pin guide 40 is assembled. Specifically, the pin guide 40 is lowered from above the pin holding member 25 so that the tip 22 a of the pin 22 standing on the power supply substrate 2 is inserted into the corresponding guide hole 41. When the pin 22 is inserted into the guide hole 41 and the claw portion 45 of the pin guide 40 is engaged with the pin holding member 25, the assembly of the pin guide 40 is completed.

ここで、ピンガイド４０のガイド孔４１には、テーパ部４２と曲面部４３とが形成される。そのため、例えば、ピン２２の取り付け角度に誤差がある場合、そのピン２２の先端部２２ａは、まず曲面部４３と接触してガイド孔４１のテーパ部４２に挿入されるように傾斜角度が補正される。そして、ピン２２は、テーパ部４２の内周に当接しながら徐々に傾斜角度が補正され、先端部４０ｄから突出するときには、制御用基板３のスルーホール３１に合致する位置になるように傾斜角度が補正される。   Here, a tapered portion 42 and a curved surface portion 43 are formed in the guide hole 41 of the pin guide 40. Therefore, for example, when there is an error in the mounting angle of the pin 22, the inclination angle is corrected so that the tip 22 a of the pin 22 first comes into contact with the curved surface portion 43 and is inserted into the tapered portion 42 of the guide hole 41. The The inclination angle of the pin 22 is gradually corrected while coming into contact with the inner periphery of the taper portion 42. When the pin 22 protrudes from the tip portion 40d, the inclination angle is adjusted so that the pin 22 is in a position matching the through hole 31 of the control board 3. Is corrected.

次に、図６に示すように、制御用基板３を組み付ける。具体的には、制御用基板３を上方から下ろしてゆき、ピン保持部材２５の着座部２６に着座するように押し込む。このとき、ピンガイド４０が取り付けられたことによって、既に各々のピン２２の先端部２２ａがスルーホール３１の位置に合致しているため、制御用基板３を容易に取り付けることができる。   Next, as shown in FIG. 6, the control board 3 is assembled. Specifically, the control board 3 is lowered from above and pushed so as to be seated on the seat portion 26 of the pin holding member 25. At this time, since the pin guides 40 are attached, the tip portions 22a of the respective pins 22 are already aligned with the positions of the through holes 31, so that the control board 3 can be easily attached.

制御用基板３が着座部２６に着座すると、同時に、爪部４６が制御用基板３に係合する。これにより、制御用基板３の組み付けが完了する。   When the control substrate 3 is seated on the seat portion 26, the claw portion 46 is engaged with the control substrate 3 at the same time. Thereby, the assembly of the control board 3 is completed.

以上のように、電源用基板２に立設されるピン２２は、ピンガイド４０のガイド孔４１に挿入されることで制御用基板３に接続可能なように位置が規定される。よって、制御用基板３を取り付けるときに、ピン２２の位置を合わせるために角度を補正したり位置決め用の治具を用いたりする必要はない。したがって、電源用基板２と制御用基板３とを電気的に接続するときの作業性が向上する。   As described above, the position of the pin 22 erected on the power supply substrate 2 is defined so that it can be connected to the control substrate 3 by being inserted into the guide hole 41 of the pin guide 40. Therefore, when the control board 3 is attached, there is no need to correct the angle or use a positioning jig to align the positions of the pins 22. Therefore, workability when the power supply board 2 and the control board 3 are electrically connected is improved.

制御用基板３が組み付けられた後、電子制御ユニット１は、制御用基板３が下側となるように引っくり返されて、フローはんだ付けが行われる。これにより、スルーホール３１に挿入されたピン２２が制御用基板３にはんだ付けされ、電源用基板２と制御用基板３とが電気的に接続される。   After the control board 3 is assembled, the electronic control unit 1 is turned over so that the control board 3 is on the lower side, and flow soldering is performed. As a result, the pins 22 inserted into the through holes 31 are soldered to the control board 3 and the power supply board 2 and the control board 3 are electrically connected.

このとき、ピンガイド４０は、爪部４５の係合によってピン保持部材２５に固定されている。また、制御用基板３は、爪部４６の係合によってピン保持部材２５とピンガイド４０との間に保持されている。よって、電子制御ユニット１を引っくり返しても、ピンガイド４０や制御用基板３が脱落することはない。   At this time, the pin guide 40 is fixed to the pin holding member 25 by the engagement of the claw portion 45. Further, the control board 3 is held between the pin holding member 25 and the pin guide 40 by the engagement of the claw portions 46. Therefore, even if the electronic control unit 1 is turned over, the pin guide 40 and the control board 3 do not fall off.

また、電源用基板２に実装されたコンデンサ２１は、ピンガイド４０のコンデンサ保持部４８によって保持されている。よって、コンデンサ２１もまた、電子制御ユニット１を引っくり返したときに脱落することはない。   Further, the capacitor 21 mounted on the power supply substrate 2 is held by the capacitor holding portion 48 of the pin guide 40. Therefore, the capacitor 21 does not fall off when the electronic control unit 1 is turned over.

なお、コンデンサ２１を電源用基板２に直接実装する構成に代えて、ピン保持部材２５に保持されたピン２２にコンデンサ２１を溶接して電気的に接続するようにしてもよい。   Instead of directly mounting the capacitor 21 on the power supply substrate 2, the capacitor 21 may be welded and electrically connected to the pin 22 held by the pin holding member 25.

フローはんだ付けが行われて電源用基板２と制御用基板３とが複数のピン２２によって電気的に接続された後、筐体の容器部に蓋部が取り付けられて閉塞される。以上の組み立て手順によって、電子制御ユニット１が完成する。   After the flow soldering is performed and the power supply substrate 2 and the control substrate 3 are electrically connected by the plurality of pins 22, a lid is attached to the container portion of the housing and closed. The electronic control unit 1 is completed by the above assembly procedure.

以上の実施の形態によれば、以下に示す効果を奏する。   According to the above embodiment, the following effects are obtained.

電源用基板２に立設されるピン２２は、ピンガイド４０のガイド孔４１に挿入されることで制御用基板３に接続可能なように位置が規定される。よって、制御用基板３を取り付けるときに、ピン２２の位置を合わせるために角度を補正したり位置決め用の治具を用いたりする必要はない。したがって、電源用基板２と制御用基板３とを電気的に接続するときの作業性が向上する。   The pins 22 erected on the power supply substrate 2 are positioned so that they can be connected to the control substrate 3 by being inserted into the guide holes 41 of the pin guide 40. Therefore, when the control board 3 is attached, there is no need to correct the angle or use a positioning jig to align the positions of the pins 22. Therefore, workability when the power supply board 2 and the control board 3 are electrically connected is improved.

本発明は上記の実施の形態に限定されずに、その技術的な思想の範囲内において種々の変更がなしうることは明白である。   The present invention is not limited to the above-described embodiment, and it is obvious that various modifications can be made within the scope of the technical idea.

１００ 接続構造（電子基板の接続構造）
１ 電子制御ユニット
２ 電源用基板（一方の電子基板）
３ 制御用基板（他方の電子基板）
２１ コンデンサ
２２ ピン
２５ ピン保持部材
２６ 着座部
３１ スルーホール（端子部）
４０ ピンガイド
４０ｃ 立設部
４０ｄ 先端部
４１ ガイド孔
４２ テーパ部
４３ 曲面部
４５ 爪部（第一の爪部）
４６ 爪部（第二の爪部）
４８ コンデンサ保持部 100 Connection structure (Electronic board connection structure)
1 Electronic Control Unit 2 Power Supply Board (One Electronic Board)
3 Control board (the other electronic board)
21 Capacitor 22 Pin 25 Pin holding member 26 Seating part 31 Through hole (terminal part)
40 pin guide 40c standing portion 40d tip portion 41 guide hole 42 taper portion 43 curved surface portion 45 claw portion (first claw portion)
46 Claw (second claw)
48 Capacitor holding part

Claims (7)

対向して配置される一対の電子基板を電気的に接続する電子基板の接続構造であって、
一方の電子基板に立設され、前記一方の電子基板と他方の電子基板とを電気的に接続する複数のピンと、
各々の前記ピンが挿入される複数のガイド孔を有し、前記一方の電子基板に取り付けられた状態で、前記他方の電子基板に接続可能なように前記ピンの位置を規定するピンガイドと、
前記一方の電子基板に立設された前記複数のピンをまとめて前記一方の電子基板に保持するピン保持部材と、を備え、
前記ピン保持部材は、前記他方の電子基板が取り付けられた状態で当該他方の電子基板が着座する着座部を有し、
前記ピンガイドは、前記着座部との間に前記他方の電子基板を保持する第二の爪部を有することを特徴とする電子基板の接続構造。 An electronic substrate connection structure for electrically connecting a pair of opposing electronic substrates,
A plurality of pins that are erected on one electronic substrate and electrically connect the one electronic substrate and the other electronic substrate;
A plurality of guide holes into which each of the pins is inserted, and a pin guide that defines the position of the pin so that it can be connected to the other electronic board in a state of being attached to the one electronic board;
A pin holding member that holds the plurality of pins erected on the one electronic board together on the one electronic board ; and
The pin holding member has a seating portion on which the other electronic substrate is seated in a state where the other electronic substrate is attached;
Said pin guide, the connecting structure of the electronic substrate, wherein Rukoto that having a second claw portion for holding the other of the electronic substrate between said seat. 対向して配置される一対の電子基板を電気的に接続する電子基板の接続構造であって、
一方の電子基板に立設され、前記一方の電子基板と他方の電子基板とを電気的に接続する複数のピンと、
各々の前記ピンが挿入される複数のガイド孔を有し、前記一方の電子基板に取り付けられた状態で、前記他方の電子基板に接続可能なように前記ピンの位置を規定するピンガイドと、を備え、
前記第一の電子基板は、電源を制御する電源用基板であり、
前記第二の電子基板は、制御対象物を制御する制御用基板であり、
前記ピンガイドは、前記電源用基板に電気的に接続されたコンデンサを保持するコンデンサ保持部を有することを特徴とする電子基板の接続構造。 An electronic substrate connection structure for electrically connecting a pair of opposing electronic substrates,
A plurality of pins that are erected on one electronic substrate and electrically connect the one electronic substrate and the other electronic substrate;
A plurality of guide holes into which each of the pins is inserted, and a pin guide that defines the position of the pin so that it can be connected to the other electronic board in a state of being attached to the one electronic board; With
The first electronic board is a power supply board for controlling a power supply,
The second electronic board is a control board for controlling a control object,
Said pin guide, the connecting structure of the electronic substrate characterized Rukoto that having a capacitor holding portion for holding a capacitor electrically connected to the power supply board. 前記他方の電子基板は、各々の前記ピンが接続される複数の端子部を有し、
前記ピンガイドは、前記一方の電子基板に取り付けられた状態で、前記ピンの先端部を前記端子部が形成される位置に合致させることを特徴とする請求項１又は２に記載の電子基板の接続構造。 The other electronic substrate has a plurality of terminal portions to which the respective pins are connected,
3. The electronic board according to claim 1, wherein the pin guide is attached to the one electronic board, and the tip of the pin is aligned with a position where the terminal part is formed. 4. Connection structure. 前記ガイド孔は、その内周に形成され、前記一方の電子基板側から前記他方の電子基板側に近付くにつれて狭くなり、前記他方の電子基板側が前記ピンの外形と略同一となるテーパ部を有することを特徴とする請求項１から３のいずれか一つに記載の電子基板の接続構造。 The guide hole is formed on an inner periphery thereof, and becomes narrower as it approaches the other electronic substrate side from the one electronic substrate side, and has a tapered portion on which the other electronic substrate side is substantially the same as the outer shape of the pin. connection structure of an electronic board according to any one of claims 1 to 3, characterized in that. 前記ガイド孔は、前記ピンが挿入されるその端部に曲面部を有することを特徴とする請求項１から４のいずれか一つに記載の電子基板の接続構造。 The guide hole is connected structure of the electronic board according to claim 1, any one of 4 to the pin and having a curved portion at its end to be inserted. 前記ピンガイドは、前記ピンが挿入された状態で前記ピン保持部材又は前記一方の電子基板に係合して相対位置を規定する第一の爪部を有することを特徴とする請求項１に記載の電子基板の接続構造。 It said pin guide, according to claim 1, characterized in that it comprises a first claw portion defining the relative position engaged with the pin holding member or the one of the electronic substrate in a state in which the pin is inserted Electronic board connection structure. 前記ピンガイドは、前記他方の電子基板に向けて立設されて内部に前記ガイド孔が形成される複数の立設部を有し、
前記立設部の先端部には、前記他方の電子基板が取り付けられた状態で当該他方の電子基板が着座することを特徴とする請求項１から６のいずれか一つに記載の電子基板の接続構造。 The pin guide has a plurality of standing portions that are erected toward the other electronic substrate and in which the guide holes are formed,
The electronic board according to any one of claims 1 to 6 , wherein the other electronic board is seated in a state in which the other electronic board is attached to a distal end portion of the standing portion. Connection structure.
JP2012076354A 2012-03-29 2012-03-29 Electronic board connection structure Expired - Fee Related JP5640036B2 (en)

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DE112013001715.6T DE112013001715T5 (en) 2012-03-29 2013-03-07 Electronic substrate connecting structure
PCT/JP2013/056332 WO2013146170A1 (en) 2012-03-29 2013-03-07 Connection structure for electronic substrates
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